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+/**
+ * ============LICENSE_START===================================================
+ * SPARKY (AAI UI service)
+ * ============================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ============================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=====================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+
+package org.openecomp.sparky.util;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.openecomp.cl.api.Logger;
+import org.openecomp.sparky.logging.AaiUiMsgs;
+import org.openecomp.sparky.dal.elasticsearch.SearchAdapter;
+import org.openecomp.sparky.dal.elasticsearch.config.ElasticSearchConfig;
+import org.openecomp.sparky.dal.rest.OperationResult;
+
+/**
+ * The Class ServletUtils.
+ */
+public class ServletUtils {
+
+ /**
+ * Execute get query.
+ *
+ * @param logger the logger
+ * @param search the search
+ * @param response the response
+ * @param requestUrl the request url
+ * @return the operation result
+ * @throws Exception the exception
+ */
+ public static OperationResult executeGetQuery(Logger logger, SearchAdapter search,
+ HttpServletResponse response, String requestUrl) throws Exception {
+
+ OperationResult opResult = search.doGet(requestUrl, "application/json");
+
+ if (opResult.getResultCode() > 300) {
+ setServletResponse(logger, true, opResult.getResultCode(), response, opResult.getResult());
+ } else {
+ response.setStatus(opResult.getResultCode());
+ }
+
+ return opResult;
+
+ }
+
+ /**
+ * Execute post query.
+ *
+ * @param logger the logger
+ * @param search the search
+ * @param response the response
+ * @param requestUrl the request url
+ * @param requestJsonPayload the request json payload
+ * @return the operation result
+ * @throws Exception the exception
+ */
+ public static OperationResult executePostQuery(Logger logger, SearchAdapter search,
+ HttpServletResponse response, String requestUrl, String requestJsonPayload) throws Exception {
+
+ OperationResult opResult = search.doPost(requestUrl, requestJsonPayload, "application/json");
+
+ if (opResult.getResultCode() > 300) {
+ setServletResponse(logger, true, opResult.getResultCode(), response, opResult.getResult());
+
+ } else {
+ response.setStatus(opResult.getResultCode());
+ }
+
+ return opResult;
+ }
+
+ /**
+ * Handle search servlet errors.
+ *
+ * @param logger the logger
+ * @param errorMsg the error msg
+ * @param exc the exc
+ * @param response the response
+ * @throws IOException Signals that an I/O exception has occurred.
+ */
+ public static void handleSearchServletErrors(Logger logger, String errorMsg, Exception exc,
+ HttpServletResponse response) throws IOException {
+ String errorLogMsg = (exc == null ? errorMsg : errorMsg + ". Error:"
+ + exc.getLocalizedMessage());
+ logger.error(AaiUiMsgs.ERROR_GENERIC, errorLogMsg);
+ response.setContentType("application/json");
+ PrintWriter out = response.getWriter();
+ out.println(generateJsonErrorResponse(errorMsg));
+ out.close();
+ }
+
+ /**
+ * Generate json error response.
+ *
+ * @param message the message
+ * @return the string
+ */
+ public static String generateJsonErrorResponse(String message) {
+ return String.format("{ \"errorMessage\" : %s }", message);
+ }
+
+ /**
+ * Sets the servlet response.
+ *
+ * @param logger the logger
+ * @param isError the is error
+ * @param responseCode the response code
+ * @param response the response
+ * @param postPayload the post payload
+ * @throws IOException Signals that an I/O exception has occurred.
+ */
+ public static void setServletResponse(Logger logger, boolean isError, int responseCode,
+ HttpServletResponse response, String postPayload) throws IOException {
+
+ if (isError) {
+ logger.error(AaiUiMsgs.ERROR_GENERIC, postPayload);
+ }
+
+ response.setStatus(responseCode);
+
+ if (postPayload != null) {
+ response.setContentType("application/json");
+ PrintWriter out = response.getWriter();
+ out.println(postPayload);
+ out.close();
+ }
+ }
+
+ /**
+ * Gets the full url.
+ *
+ * @param elasticConfig the elastic config
+ * @param resourceUrl the resource url
+ * @return the full url
+ */
+ public static String getFullUrl(ElasticSearchConfig elasticConfig, String resourceUrl) {
+ final String host = elasticConfig.getIpAddress();
+ final String port = elasticConfig.getHttpPort();
+ return String.format("http://%s:%s%s", host, port, resourceUrl);
+ }
+}